Annual report pursuant to Section 13 and 15(d)

Accrued Closure Costs and ARO (Details Narrative)

v3.8.0.1
Accrued Closure Costs and ARO (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Asset retirement obligation, revision of estimate $ 1,626      
Asset retirement obligation, liabilities settled   $ (2,037) $ (693)  
Asset retirement obligation   8,395 7,315 $ 5,301
M&EC [Member]        
Asset retirement obligation, revision of estimate   1,400 1,626  
Asset retirement obligation, liabilities settled   1,872 283  
Asset retirement obligation, current   2,791 2,177  
Asset retirement obligation     3,058  
DSSI [Member]        
Asset retirement obligation, revision of estimate   1,257    
Perma-Fix Northwest Richland, Inc [Member]        
Asset retirement obligation, revision of estimate     707  
Asset retirement obligation, liabilities settled   $ 165 $ 410